Tournaments / 59th Biel International Chess Festival 2026 | Triathlon | GenChall Qualifier /
Marco Materia vs Alexandra Kosteniuk
White: IM Marco Materia (2508) · Black: GM Alexandra Kosteniuk (2508)
Tournaments / 59th Biel International Chess Festival 2026 | Triathlon | GenChall Qualifier /
White: IM Marco Materia (2508) · Black: GM Alexandra Kosteniuk (2508)